I suggest that we collect here the best tips and advice on the 3d pillar.
To start, here are a couple of websites where you can check which 3d pillar account gives the best interest:
It looks like there are currently only two companies offering 3d pillar based on ETFs:
You can have several accounts. It makes sense to keep putting money into one account till you reach about 30k and then to stop (the reason is that on having your money payed back to you, you’ll be taxed by a lower rate if you don’t have all the money in one account). You can then move this whole account to another company, but you cannot split it. It makes sense to check the taxes of the commune you live in when you retire because taxes vary a lot for taking the money out.